- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28G - Cleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes of boilers
- F28G 7/00 - Cleaning by vibration
Patent holdings for IPC class F28G 7/00
Total number of patents in this class: 128
10-year publication summary
11
|
8
|
8
|
10
|
12
|
8
|
12
|
13
|
4
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Altum Technologies Oy | 11 |
10 |
Bang & Clean GmbH | 21 |
9 |
Fractal Heatsink Technologies, LLC | 18 |
7 |
Shell Internationale Research Maatschappij B.V. | 3792 |
6 |
Explo Engineering AG | 16 |
5 |
Hitachi Zosen iNova AG | 106 |
5 |
Martin GmbH fur Umwelt-und Energietechnik | 50 |
5 |
ExxonMobil Research And Engineering Company | 2830 |
4 |
Air Products and Chemicals, Inc. | 1448 |
3 |
Heatcraft Refrigeration Products LLC | 246 |
3 |
HS Marston Aerospace Ltd. | 37 |
3 |
Infrafone AB | 3 |
3 |
Illinois Tool Works Inc. | 11152 |
2 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
Mitsubishi Electric Corporation | 43934 |
2 |
Kawasaki Heavy Industries, Limited | 1524 |
2 |
Foster Wheeler Energia Oy | 53 |
2 |
Rheem Manufacturing Company | 861 |
2 |
Rüegg, Hans | 3 |
2 |
Sumitomo Shi FW Energia Oy | 48 |
2 |
Other owners | 49 |